Combined effects of urea type and placement depth on grain yield, water productivity and nitrogen use efficiency of rain-fed spring maize in northern China
Shengcai Qiang, Zhang Yan, Hong Zhao, Junliang Fan, Fucang Zhang, Min Sun, Zhiqiang Gao
Topics & Concepts
CruSowingAgronomyNitrogenAnimal scienceEvapotranspirationUreaDry matterChemistryEnvironmental scienceBiologyEcologyClimate changeOrganic chemistryPlant nutrient uptake and metabolismSoil Carbon and Nitrogen DynamicsCrop Yield and Soil Fertility